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* A categorized multiselect for choosing which MCP tools a persona can access.
*
* Pure presentational component — receives data and callbacks as props.
*/
import { useState, useMemo, useCallback, type JSX } from "react";
import {
ALL_MCP_TOOL_NAMES,
DEFAULT_SCOPED_MCP_TOOLS,
WORKER_MCP_TOOLS,
ORCHESTRATOR_MCP_TOOLS,
ADMIN_MCP_TOOLS,
} from "@grackle-ai/common";
import styles from "./McpToolSelector.module.scss";
/** Tool groups derived from the naming convention (prefix before first underscore). */
const TOOL_GROUPS: { group: string; tools: string[] }[] = (() => {
const grouped = new Map<string, string[]>();
for (const name of ALL_MCP_TOOL_NAMES) {
// Most tools use "group_action" naming; "get_version_status" is a special case
const group = name === "get_version_status" ? "version" : name.split("_")[0];
if (!grouped.has(group)) {
grouped.set(group, []);
}
grouped.get(group)!.push(name);
}
// Sort groups alphabetically, tools within each group alphabetically
return [...grouped.entries()]
.sort(([a], [b]) => a.localeCompare(b))
.map(([group, tools]) => ({ group, tools: tools.sort() }));
})();
/** Preset definitions for quick selection. */
const PRESETS = [
{ name: "default", label: "Default", tools: DEFAULT_SCOPED_MCP_TOOLS },
{ name: "worker", label: "Worker", tools: WORKER_MCP_TOOLS },
{ name: "orchestrator", label: "Orchestrator", tools: ORCHESTRATOR_MCP_TOOLS },
{ name: "admin", label: "Admin", tools: ADMIN_MCP_TOOLS },
] as const;
export interface McpToolSelectorProps {
/** Currently selected tool names. Empty = default (shown as hint, not checked). */
selectedTools: string[];
/** Callback when selection changes. */
onChange: (tools: string[]) => void;
/** Whether the component is disabled. */
disabled?: boolean;
}
export function McpToolSelector({
selectedTools,
onChange,
disabled,
}: McpToolSelectorProps): JSX.Element {
const [filter, setFilter] = useState("");
const selectedSet = useMemo(() => new Set(selectedTools), [selectedTools]);
const toggleTool = useCallback(
(tool: string) => {
Iif (disabled) {
return;
}
const next = new Set(selectedSet);
Iif (next.has(tool)) {
next.delete(tool);
} else {
next.add(tool);
}
onChange([...next].sort());
},
[selectedSet, onChange, disabled],
);
const toggleGroup = useCallback(
(tools: string[], allSelected: boolean) => {
Iif (disabled) {
return;
}
const next = new Set(selectedSet);
for (const t of tools) {
Iif (allSelected) {
next.delete(t);
} else {
next.add(t);
}
}
onChange([...next].sort());
},
[selectedSet, onChange, disabled],
);
const applyPreset = useCallback(
(tools: readonly string[]) => {
Iif (disabled) {
return;
}
onChange([...tools].sort());
},
[onChange, disabled],
);
const lowerFilter = filter.toLowerCase();
return (
<div className={styles.container} data-testid="mcp-tool-selector">
<div className={styles.header}>
<span className={styles.count}>
{selectedTools.length === 0
? `Using default (${DEFAULT_SCOPED_MCP_TOOLS.length} tools)`
: `${selectedTools.length} of ${ALL_MCP_TOOL_NAMES.size} tools selected`}
</span>
</div>
<div className={styles.presets} data-testid="mcp-tool-presets">
{PRESETS.map((preset) => (
<button
key={preset.name}
type="button"
className={styles.presetButton}
disabled={disabled}
onClick={() => applyPreset(preset.tools)}
data-testid={`preset-${preset.name}`}
>
{preset.label}
</button>
))}
<button
type="button"
className={styles.presetButton}
disabled={disabled}
onClick={() => onChange([])}
data-testid="preset-clear"
>
Clear
</button>
</div>
<input
type="text"
className={styles.filterInput}
placeholder="Filter tools..."
value={filter}
onChange={(e) => setFilter(e.target.value)}
disabled={disabled}
data-testid="mcp-tool-filter"
/>
<div className={styles.groups}>
{TOOL_GROUPS.map(({ group, tools }) => {
const visibleTools = lowerFilter
? tools.filter((t) => t.toLowerCase().includes(lowerFilter))
: tools;
if (visibleTools.length === 0) {
return null;
}
const allSelected = visibleTools.every((t) => selectedSet.has(t));
return (
<div key={group} className={styles.group} data-testid={`tool-group-${group}`}>
<label className={styles.groupHeader}>
<input
type="checkbox"
checked={allSelected}
onChange={() => toggleGroup(visibleTools, allSelected)}
disabled={disabled}
data-testid={`group-toggle-${group}`}
/>
<span className={styles.groupName}>{group}</span>
<span className={styles.groupCount}>
({visibleTools.filter((t) => selectedSet.has(t)).length}/{visibleTools.length})
</span>
</label>
<div className={styles.toolList}>
{visibleTools.map((tool) => (
<label key={tool} className={styles.toolItem}>
<input
type="checkbox"
checked={selectedSet.has(tool)}
onChange={() => toggleTool(tool)}
disabled={disabled}
data-testid={`tool-${tool}`}
/>
<span className={styles.toolName}>{tool}</span>
</label>
))}
</div>
</div>
);
})}
</div>
</div>
);
}
|